Model: 420954-1

Optical Instrument Window

Special Features:

Four corners have 0.062 in. Radius

Properties:

Width
Between 0.906 inches and 0.922 inches
Thickness
Between 0.109 inches and 0.125 inches
Length
Between 2.953 inches and 2.969 inches
Polished Surface
Both
Reflection Reducing Surface
Both
Polished Periphery
Not provided
Material
Glass, optical, mil-g-174, class 1, grade a and glass, 1723, corning glass works
Material
Glass optical and glass, 1723, corning glass works
Material Specification
Mil-g-174, class 1, grade a military specification 1st material response
NSN
6650-01-003-6467
Part Number
420954-1
Description
Window,optical Instrument
CAGE
80020

A color free item of transparent or translucent material, usually optical glass, having specific light dispersive and refractive properties. This item must have two plane-parallel surfaces and is designed for use in an optical instrument to provide a barrier to foreign matter and/or permit light transmission in or to the optical system.

Part 420954-1 NSN 6650-01-003-6467

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
10908
FIIG:
T271-F
Concept No.:
App. Key:
FA
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
200.0
WCC:
744
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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